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    <title>Document</title>
</head>

<body>
    <h1>登录</h1>
    <img src="http://localhost:3000/cod?id=111" alt="">
    <script>
        let img = document.querySelector('img');
        img.addEventListener('click', function () {
            let s = new Date().getTime();
            this.src = `http://localhost:3000/cod?id=${s}`;
            console.log(s);
        })
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</body>

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